static VOID FreeCard(struct BusContext *context, struct DevBase *base)
{
if(context != NULL)
{
#if !(defined(__MORPHOS__) || defined(__amigaos4__))
if(base->prometheus_base != NULL)
FreePrometheusCard(context, base);
#endif
#ifdef __mc68000
if(base->powerpci_base != NULL)
FreePowerPCICard(context, base);
#endif
#ifdef __amigaos4__
if(base->expansion_base != NULL)
FreeExpansionCard(context, base);
#endif
#ifdef __MORPHOS__
if(base->openpci_base != NULL)
FreeOpenPCICard(context, base);
#endif
}
return;
}
struct BusContext *AllocPowerPCICard(ULONG index, struct DevBase *base)
{
BOOL success = TRUE;
struct BusContext *context;
ULONG card = 0;
UWORD i = 0, vendor_id, product_id;
/* Find a compatible card */
context = AllocMem(sizeof(struct BusContext), MEMF_PUBLIC | MEMF_CLEAR);
if(context == NULL)
success = FALSE;
if(success)
{
while(i <= index)
{
card = pci_find_device(0xffff, 0xffff, card);
product_id = pci_read_conf_word(card, PCI_DEVICE_ID);
vendor_id = pci_read_conf_word(card, PCI_VENDOR_ID);
if(IsCardCompatible(vendor_id, product_id, base))
i++;
}
context->card = (APTR)card;
if(card == NULL)
success = FALSE;
}
/* Get base address */
if(success)
{
context->io_base = (UPINT)pci_get_base_start(card, BAR_NO);
if(context->io_base == NULL)
success = FALSE;
if((context->io_base & 0xffff0000) == 0xee0000)
context->io_base += 0x10000;
}
if(!success)
{
FreePowerPCICard(context, base);
context = NULL;
}
return context;
}
